occur

Verb

occur (third-person singular simple present occurs, present participle occurring, simple past and past participle occurred)

1. (intransitive) To happen or take place.
   • The liftoff will occur in exactly twelve seconds.
   • And no use for anyone to tell Charles that this was because the Family was in mourning for Mr Granville Darracott […]: Charles might only have been second footman at Darracott Place for a couple of months when that disaster occurred, but no one could gammon him into thinking that my lord cared a...1959, Georgette Heyer, chapter 1, in The Unknown Ajax

   Synonyms:

   belimp

2. (intransitive) To present or offer itself.
   • I will write if the opportunity occurs.

   Synonyms:

   appear, arise, come up

3. (impersonal) To come or be presented to the mind; to suggest itself.
   • One little incident of my school days occurs to me as amusing.
   • It occurred to him to tell me of the problem.

   Synonyms:

   hit

4. (intransitive) To be present or found.
   • The chemical monofluoroacetate occurs in all parts of Dichapetalum cymosum, and is responsible for its toxic effects.